Bio exam
The step of the scientific method that would come after testing is:
Analyzing Data
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
Cells form through spontaneous generation.
What is the name of the genetic material that is inside the nucleus?
DNA
Put the following stages of the cell cycle in order: G2, S, G1, M
G1, S, G2, M
During what phase of the cell cycle is DNA replicated?
S phase
Any substance that is acted upon by an enzyme is called a(n)?
Substrate
Unlike eukaryotes, prokaryotes do not have:
a membrane bound nucleus
Which subunits make up the structure of all proteins?
amino acids
Which of the following is directly involved in the transportation of materials inside/within the cell?
endoplasmic reticulum
Passive transport requires no
energy
Active transport across a cell membrane from low to high concentration, requires
energy (ATP)
Enzymes will make a reaction go _______ and use ______ energy.
faster, less
Which is an example of a lipid
fat
Susan said, "If I fertilize my geranium plants, they will blossom."
form a hypothesis
Active transport is the movement of large materials across a cell membrane from ______ to ______ concentration
low, high
DNA and RNA are examples of
nucleic acids
Directs all cell activities through the DNA located there.
nucleus
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.
prophase, metaphase, anaphase, telophase
Enzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means?
reducing the activation energy
What is the function of nucleic acids?
store genetic information
Arjulia soaked six different kinds of seeds in water for 24 hours. Then she planted the seeds in soil at a depth of 1 cm. She used the same amount of water, light, and heat for each kind of seed.
test the hypothesis with an experiment
Osmosis is the movement of _____ across a membrane.
water